🏗️Civil Engineering MCQs
Civil Engineering MCQs
479 MCQs411
A metal with specific gravity of o floating in a fluid of same specific gravity a will___________________?
Asink to bottom
Bfloat over fluid
Cpartly immersed
Dbe fully immersed with top surface at fluid surface E. none of the above
412
Dynamic viscosity of most of the liquids with rise in temperature____________________?
Aremains unaffected
Bdecreases
Dunpredictable E. none of the above
413
Which of the following instrument can be used for measuring speed of a submarine moving in deep sea_________________?
AVenturimeter
BOrifice plate
Chot wire anemometer
Drotameter E. pitot tube
414
Mercury is often used in barometer because _________________?
Ait is the best liquid
Band
CE. it moves easily
Dboth
415
Which of the following instrument can be used for measuring speed of an aeroplane ________________?
AVenturimeter
BOrifice plate
Chot wire anemometer
Drotameter E. pitot tube
416
Barometer is used to measure__________________?
Apressure in pipes, channels etc.
Batmospheric pressure
Cvery low pressure
Ddifference of pressure between two points E. rain level
417
In an isothermal atmosphere, the pressure__________________?
Adecreases linearly with elevation
Bremains constant
Cvaries in the same way as the density
Dincreases exponentially with elevation E. unpredictable
418
Operation of McLeod gauge used for low pressure measurement is based on the principle of_____________________?
Agas law
BBoyle’s law
CCharle’s law
DPascal’s law E. McLeod’s law
419
Pressure of the order of 10″‘ torr can be measured by_______________ ?
ABourdon tube
BPirani Gauge
Cmicro-manometer
Dionisastion gauge E. McLeod gauge
420
Newton’s law of viscosity is a relationship between________________?
Ashear stress anctthejiate of angular distortion
Bshear stress and viscosity
Cshear stress, velocity and viscosity
Dpressure, velocity and viscosity E. shear stress, pressure and rate of angular distortion